Any right minded GM would give Watt what he wants if he continues to put up dominant/elite seasons as a defensive linemen. Mario, while really good, just doesn't have the same motor/consistency like Watt. Only way Watt leaves Houston is because he wants to leave.

Mario was on the lower end of the "good" scale. Watt is on the high end of "great". There's a very high likelihood that he'll be the 1st Texan inducted into the HOF. Mario will only get in there with a ticket.

McNair will make sure JJ stays in Houston.

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“Of course, if one ignores contradictory observations, one can claim to have an ‘elegant’ or ‘robust’ theory. But it isn’t science.”
— Halton Arp